header {
    justify-content: space-between;
    --header-height: 60px;
    --search-height: 34px;
    --name-width: 45px;
    width: 100%;
    height: var(--header-height);
    background-color: #39afea;
}

.navbar,
.function {
    display: flex;
}

.logo {
    width: 176px;
    height: 60px;
    cursor: pointer;
    background-position: 0 0;
    margin-right: 80px;
    background: url(https://s2.music.126.net/style/web2/img/frame/topbar.png?e84567b041cbf716abba1230638b5873) no-repeat 20px -5px;
}

.logo a {
    float: left;
    padding-right: 20px;
    text-indent: -9999px;
}

.pagecontrol {
    display: flex;
}

.navbar input[type=search] {
    background: url(../img/search.png) no-repeat 10px 10px /10% rgba(0, 0, 0, 0.05);
    width: 160px;
    height: var(--search-height);
    border: none;
    border-radius: 50px;
    margin: auto 6px;
    padding-left: 30px;
    outline: none;
    color: #fff;
}

.navbar input[type=search]::-webkit-search-cancel-button {
    -webkit-appearance: none;
}

.navbar input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.identifysongs,
.avatar,
.back,
.front {
    margin: auto;
    width: var(--search-height);
    height: var(--search-height);
    background-color: rgba(0, 0, 0, 0.05);
    /* border: 1px solid; */
    border-radius: 50%;
    cursor: pointer;
}

.back,
.front {
    margin: auto 6px;
}

.back img,
.front img {
    margin: calc(var(--search-height) / 4);
    width: 16px;
}

.identifysongs img {
    width: 16px;
    height: 16px;
    margin: calc(var(--search-height) / 4);
}

.user {
    display: flex;
    cursor: pointer;
}

.avatar {
    margin-right: 4px;
}

.user span {
    max-width: var(--name-width);
    margin: auto;
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    overflow: hidden;
}

.user span:hover {
    color: rgba(255, 255, 255);
}

.user span+img {
    margin: auto 2px;
    width: 10px;
    height: 10px;
}

.btn {
    margin: auto 6px;
    width: 24px;
    height: 24px;
    cursor: pointer;
}